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The AAPG/Datapages Combined Publications Database
Showing 678 Results. Searched 195,372 documents.
Abstract: Structurally-Consistent Interval Velocity Variation with Azimuth; #90187 (2014)
Darren Schmidt, Alicia Veronesi, Chris Davison, and Jeff Durand
Search and Discovery.com
... be observed on P-wave seismic data. When the data are sorted into Common-Offset, Common-Azimuth (COCA) gathers, a characteristic sinusoidal reflection time...
2014
Gravel Waves in an Ancient Canyon: Analogous Features and Formative Processes of Coarse-Grained Bedforms in a Submarine-Fan System, the Lower Pleistocene of the Boso Peninsula, Japan
Makoto Ito, Takahiro Saito
Journal of Sedimentary Research (SEPM)
... (Fig. 10). Climbing forms of the cross-stratification, downslope-directed paleocurrents, and sinusoidal stratification indicate that gravel waves...
2006
Bed Configurations
J. C. Harms, J. B. Southard, D. R. Spearing , R. G. Walker
Special Publications of SEPM
... is observed. At the outset we should distinguish between antidunes and standing waves, on the one hand, which are sinusoidal undulations...
1975
Abstract: Permian “Deep-Sea-Fan” Turbidites, Karoo Basin, South Africa, Reinterpreted as Lake-Shelf Hyperpycnites, by Roger Higgs; #90079 (2008)
Search and Discovery.com
2008
Backset Bedding in Turbidites: A Further Example from the Cloridorme Formation (Middle Ordovician), Gaspe, Quebec
Keith Skipper , S. B. Bhattacharjee
Journal of Sedimentary Research (SEPM)
... migration of antidunes. A suitable analysis for the formation of antidunes by density currents uses an equation appropriate for internal waves...
1978
Characterizing Hydraulic Fractures Using the Transient Pressure Surge Effect
Yuesu Jin, Yingcai Zheng, Lianjie Huang, Christine Ehlig-Economides
Unconventional Resources Technology Conference (URTEC)
...) a new low-frequency source that can emit sinusoidal waves in 12 – 70Hz; (2) a fracture model constructed using two plexiglass blocks stacked on each...
2022
Processing the KTK 3D seismic Survey for Azimuthal Information: San Joaquin Basin, California; #41649 (2015)
M. Lee Bell and Gary Myers
Search and Discovery.com
... horizontal velocity anisotropy (HTI) in both P– and S-waves (see slide 9). The velocity parallel to fractures, for example, is fast (see slide 10...
2015
Sand Waves on Browns Bank observed from the Shelf Diver
Georges Drapeau
Atlantic Geology
... that a sinusoidal wave model, as described by Airy (1845), is adequate to analyse waves in the ocean (Inman 1963). For a depth of 50 metres, waves with a period...
1970
Modern internal waves and internal tides along oceanic pycnoclines: Challenges and implications for ancient deep-marine baroclinic sands
G. Shanmugam
AAPG Bulletin
... of sediment wave formation are not known, although lee waves propagating over the sinusoidal topography of the wave forms may have caused the upstream...
2013
Physical Basis of Reflection Seismology
Bruce S. Hart
Special Publications of SEPM
... back to the surface were it is recorded . This chapter will briefly review so e of the characteristics of acoustic waves and the physical properties...
2000
Power Imaging A Passive Electromagnetic Hydrocarbon Detection Method: Examples from Railroad Valley, Nevada; #40966 (2012)
Dietmar (Deet) Schumacher, W. Barry Weaver, and Roy K. Warren
Search and Discovery.com
... This is an example of what the raw data looks like. As expected, the waves are sinusoidal since they are generated by the power grid. Notice also...
2012
Stops 1b and c: Sedimentary Processes on Dauphin Island and Sand Island
Douglas Haywick, Lee Yokel, Nancy Hilbun, Eileen Howse, Brandi Snell
Alabama Geological Society
... force of windgenerated waves, consists of Figure I. Looking west from the eastern tip of Dauphin Island. The arrow points toward a series of jetties...
2004
Wave-Dominated Shelves: A Model of Sand-Ridge Formation by Progressive, Infragravity Waves
B. Boczar-Karakiewicz, J. L. Bona
CSPG Special Publications
..., and that they impinge on the shelf essentially as a sinusoidal wave train. As will be shown presently, incoming infragravity waves more complex than...
1986
Morphology and Origin of Ripple-Drift Cross-Lamination, with Examples from the Pleistocene of Massachusetts
Alan V. Jopling, Roger G. Walker
Journal of Sedimentary Research (SEPM)
... laminae. Sinusoidal ripple lamination (new term) consists of a series of ripples with symmetrical, sine-wave profiles and continuous laminae across...
1968
Rhythmic Sedimentation in a Mixed Tide and Wave Deposit, Hazel Patch Sandstone (Pennsylvanian), Eastern Kentucky Coal Field
Stephen F. Greb , Allen W. Archer
Journal of Sedimentary Research (SEPM)
... rhythmites show a sinusoidal vertical stacking trend of thickening and thinning laminae, amalgamated rhythmites show partially or possibly cyclic trends...
1995
Sedimentology, Stratigraphic Architecture, and Depositional Context of Submarine Frontal-Lobe Complexes
Emma A. Morris,, David M. Hodgson, Stephen S. Flint, Rufus L. Brunt, Peter J Butterworth, Jona Verhaeghe
Journal of Sedimentary Research (SEPM)
... markedly with architecture of terminal lobes on the basin floor. Furthermore their sedimentology is dominated by decimeter-scale sinusoidal stoss-side...
2014
The Initiation of Oscillatory Ripple Marks and the Development of Plane-bed at High Shear Stresses Under Waves
Paul D. Komar, Martin C. Miller
Journal of Sedimentary Research (SEPM)
...The Initiation of Oscillatory Ripple Marks and the Development of Plane-bed at High Shear Stresses Under Waves Paul D. Komar, Martin C. Miller 1975...
1975
The Tsunamite Problem
G. Shanmugam
Journal of Sedimentary Research (SEPM)
... tide, a series of breaking normal sea waves, or a bore. Tsunami waves, composed of (1) sinusoidal, (2) Stokes, (3) solitary, (4) N-simple, (5) N-double...
2006
Effects of Settling and Preferential Deposition of Sediment on Ripple Roundness Under Shoaling Waves
Naofumi Yamaguchi, Hideo Sekiguchi
Journal of Sedimentary Research (SEPM)
..., shoaling results in deformation of surface waves. As a result, profiles of surface waves change from nearly sinusoidal to sharp-crested, the latter...
2010
Abstract: Shear Wave Splitting Parameter Estimation Using a Regular Distribution of Azimuths; #90187 (2014)
A. Stanton and M. D. Sacchi
Search and Discovery.com
... parameters. Introduction In the presence of Horizontal Transverse Isotropy (HTI) converted waves are split into fast and slow waves which...
2014
Fracture Identification with Seismic Data, XinChang Field, China, by Peter Stewart, John Tinnin, James Hallin, and Jim Granath, #40370 (2008).
Search and Discovery.com
2008
Abstract: FX Singular Spectrum Analysis; #90171 (2013)
Mauricio D. Sacchi
Search and Discovery.com
.... Cadzow filtering is equivalent to SSA when considering sinusoidal waveforms immersed in additive random noise. The intention of this abstract...
2013
Abstract: An Overview of Seismic Fracture Prediction, by Enru Liu, Rishi Bansal, Xin Zhan, Alex Martinez, and Chris Harris; #120034 (2012)
Search and Discovery.com
2012
Formation of Ripple Bands in a Wave-Convergence Zone
K. P. Black , T. R. Healy
Journal of Sedimentary Research (SEPM)
... algorithm. The phase celerities, c, are obtained from the dispersion relation for sinusoidal waves, 2 = gk tanh (kh), (1) where g is the gravitational...
1988
Rejuvenate Unconventional Wells by Application of High-Pression Pulse Waves in the Fracture Network - An Alternative to Refracturing Operations
Charles Fensky, Youssef Fawaz, Mike Perri, Christian La Borderie, Gilles Pijaudier-Cabot, Antoine Jacques
Unconventional Resources Technology Conference (URTEC)
...Rejuvenate Unconventional Wells by Application of High-Pression Pulse Waves in the Fracture Network - An Alternative to Refracturing Operations...
2022